489312928

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{1997}}^1$

素因数の和:2070

約数の個数: 96

約数和(自身を含む): 1127831040

約数和(自身を除く): 638518112

約数列:

[1, 2, 4, 8, 13, 16, 19, 26, 31, 32, 38, 52, 62, 76, 104, 124, 152, 208, 247, 248, 304, 403, 416, 494, 496, 589, 608, 806, 988, 992, 1178, 1612, 1976, 1997, 2356, 3224, 3952, 3994, 4712, 6448, 7657, 7904, 7988, 9424, 12896, 15314, 15976, 18848, 25961, 30628, 31952, 37943, 51922, 61256, 61907, 63904, 75886, 103844, 122512, 123814, 151772, 207688, 245024, 247628, 303544, 415376, 493259, 495256, 607088, 804791, 830752, 986518, 990512, 1176233, 1214176, 1609582, 1973036, 1981024, 2352466, 3219164, 3946072, 4704932, 6438328, 7892144, 9409864, 12876656, 15291029, 15784288, 18819728, 25753312, 30582058, 37639456, 61164116, 122328232, 244656464, 489312928]

約数ペア:

[(1, 489312928), (2, 244656464), (4, 122328232), (8, 61164116), (13, 37639456), (16, 30582058), (19, 25753312), (26, 18819728), (31, 15784288), (32, 15291029), (38, 12876656), (52, 9409864), (62, 7892144), (76, 6438328), (104, 4704932), (124, 3946072), (152, 3219164), (208, 2352466), (247, 1981024), (248, 1973036), (304, 1609582), (403, 1214176), (416, 1176233), (494, 990512), (496, 986518), (589, 830752), (608, 804791), (806, 607088), (988, 495256), (992, 493259), (1178, 415376), (1612, 303544), (1976, 247628), (1997, 245024), (2356, 207688), (3224, 151772), (3952, 123814), (3994, 122512), (4712, 103844), (6448, 75886), (7657, 63904), (7904, 61907), (7988, 61256), (9424, 51922), (12896, 37943), (15314, 31952), (15976, 30628), (18848, 25961)]